Wilson Benesch Precision P1.0 Speakers with Stands (Black with Aged Walnut Finish) - Fully Boxed Come with floor spikes. All in excellent condition and full working order. Aluminum Top & Bottom Bracing: Multi-material hybridized structure with precision CNC-machined aluminum caps and aluminum alloy bars for enhanced rigidity and sonic purity. Specifications: Type: 2-Way Stand Mounted Loudspeaker Drive Technology: 1 x 25mm (1”) WB Leonardo Tweeter; 1 x 170mm (7”) WB Tactic II Mid/Bass Drive Unit Crossover Technology: Tweeter 2nd Order Crossover; Mid-Bass Directly Amplifier Coupled Enclosure Technology: Hybrid Composite Construction; U-Section High Torsion Aluminium Alloy Damping Rods in the Horizontal Axis; Tubular Cross Bracing; Port Tuning; Alloy Baffle, Top, Foot with Machined Logos Front & Rear Measurements: Impedance: 6O nominal / 4O minimal Sensitivity: 89dB at 1 metre on-axis, 2.83V input Frequency response: 38Hz – 24kHz +/- 2dB on-axis Dimensions Height: 1025mm (40.4") includ